757
MAINTENANCE MANUAL
ELECTRICAL SYSTEM CONTROL PANEL SEE A
FLT COMPT
SEE B
APU GEN EXT PWR ELECTRICAL
ON
O w
CONNECTORBUS TIE
ON
F
BUS TIE TERMINAL BLOCKAVAIL
F a ww
OIL OUTAUTO AUTO
w
w
ISLN ISLN
aa
UTILITY BUS
SPLINE
L BUS L R R BUS
BUSBUS ON ON OFF aOFF a
w w
OFF OFF
a a
R
GEN
L
GEN DRIVE DISC GEN
CONT
L R CONT
O O
ELECTRICAL
ww
FWDON ON
F F
CONNECTORDISCONNECTDRIVE DRIVE F
F a wa aa w
RESET RING
LEFT SIDE VIEW
GENERATOR DRIVE DISC SWITCH
B
M10063-ELECTRICAL SYSTEM CONTROL PANEL
A
IDG Disconnect Drive System
Figure 601
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A
757
MAINTENANCE MANUAL
IDG Service Fitting and Pressure Cap Inspection
Figure 602
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H40682
A
757
MAINTENANCE MANUAL
INTEGRATED DRIVE GENERATOR
SEE A
FILTER ELEMENT
FILTER COVER FWD
SEE B SEE C
O-RING
RED (BOTTOM VIEW) BUTTON
A
NORMAL (RESET) EXTENDED
PRESSURE DIFFERENTIAL INDICATOR
B
DPI RESETS
REFER TO APPROPRIATE DOCUMENTATION
FOR DETAILS OF THE ALTERNATE DPI
PROCEDURE
REMOVE
2 34
1 IDG
DPI RESETS DECAL
C
DPI Reset Procedure
Figure 603
H41515
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757 MAINTENANCE MANUAL
E. Procedure
S 866-006
(1) AIRPLANES WITH IDG DISCONNECT INHIBIT (POST-SB 24-59);
Do the IDG Disconnect Inhibit Function Check as follows:
NOTE: These airplanes use pins 1 and 13 on K10446 or K10556
____
in the P36 panel (WDM 24-11-11).
CAUTION: DO NOT ACTUATE THE DISCONNECT SWITCH FOR LONGER THAN 3
_______ SECONDS. ALLOW A MINIMUM OF 60 SECONDS BETWEEN ACTUATION PERIODS. FAILURE TO FOLLOW THIS PROCEDURE COULD DAMAGE THE IDG DISCONNECT FUNCTION.
(a)
Momentarily push the GEN DRIVE DISC switch on the P5 panel for the applicable IDG.
(b)
Slowly pull the disconnect reset ring to the outward travel limit. 1) Make sure there is no "click" sound when you pull the
disconnect reset ring.
(c)
Permit the ring to slowly go back to the maximum inner position.
S 716-088
(2) Do the IDG Disconnect Function check as follows:
(a) Open the applicable ENGINE SPEED CARD circuit breaker, 11B31 or 11B32, for the applicable IDG.
CAUTION: DO NOT ACTUATE THE DISCONNECT SWITCH FOR LONGER THAN 3
_______ SECONDS. ALLOW A MINIMUM OF 60 SECONDS BETWEEN ACTUATION PERIODS. FAILURE TO FOLLOW THIS PROCEDURE COULD DAMAGE THE IDG DISCONNECT FUNCTION.
(b) Momentarily push the GEN DRIVE DISC switch on the P5 panel for the applicable IDG.
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757 MAINTENANCE MANUAL
(c)
Close the applicable ENGINE SPEED CARD circuit breaker, 11B31 or 11B32, for the applicable IDG.
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